In addition to being Eight-Track Tape Day, today is also Barbershop Quartet Day! Check out these amazing and amusing a cappella tunes. Rebecca Black's 'Friday', a Star Trek Parody and the 'I Love Lucy' classic.

REBECCA BLACK'S 'FRIDAY'

Star Trek Parody

And the classic from 'I Love Lucy'

And check out Lafayette's favorite Barbershop Quartet, Louisiana Purchase, here. (RIP Jeffery Lynn Fontenot)